Advertisements
Advertisements
प्रश्न
What are nonideal solutions?
उत्तर
The solutions which do not obey Raoult’s law over the entire range of concentrations are called nonideal solutions.
APPEARS IN
संबंधित प्रश्न
Choose the most correct option.
The vapour pressure of a solution containing 2 moles of a solute in 2 moles of water (vapour pressure of pure water = 24 mm Hg) is ______.
Choose the most correct option.
Vapour pressure of a solution is _______.
Answer the following.
Using Raoult’s law, how will you show that ΔP = `"P"_1^0 "x"_2`? Where, x2 is the mole fraction of solute in the solution and `"P"_1^0` vapour pressure of pure solvent.
Fish generally needs O2 concentration in water at least 3.8 mg/L for survival. What partial pressure of O2 above the water is needed for the survival of fish? Given the solubility of O2 in water at 0 °C and 1 atm-1 partial pressure is 2.2 × 10-3 atm mol/L.
The vapour pressure of water at 20°C is 17 mm Hg. What is the vapour pressure of solution containing 2.8 g urea in 50 g of water?
A mixture of benzene and toluene contains 30% by mass of toluene. At 30 °C, vapour pressure of pure toluene is 36.7 mm Hg and that of pure benzene is 118.2 mm Hg. Assuming that the two liquids form ideal solutions, calculate the total pressure and partial pressure of each constituent above the solution at 30 °C.
State Raoult’s law.
What type of solutions exhibit positive deviations from Raoult’s law?
What is enthalpy change and volume change of mixing of two components forming an ideal solution?
The vapour pressures of pure liquids A and B are 0.600 bar and 0.933 bar respectively, at a certain temperature.
What is the mole fraction of liquid B in the solution when the total vapour pressure of their mixture is 0.8 bar?
Distinguish between ideal and non-ideal solutions.
Which of the following metals is refined by vapour phase refining in Mond process?
9 gram anhydrous oxalic acid (mol. wt. = 90) was dissolved in 9.9 moles of water. If vapour pressure of pure water is pf the vapour pressure of solution is ______.
If 1 mole of ____________ is added to 1 dm3 of water, the boiling point of water will decrease.
18 g of glucose (C6H12O6) is added to 178.2 g of water. The vapour pressure of water for this aqueous solution is ______.
What are ideal and non-ideal solutions?
The vapour pressures of two liquids A and B are 80 mmHg and 60 mm Hg respectively at 25°C. What is the vapour pressure of the solution obtained by mixing 3 moles of A and 2 moles of B?
Explain the variation of vapour pressures with mole fractions of binary solutions of two volatile liquids forming ideal solutions.
State Raoult's law for solutions of volatile components.
A mixture of two liquids A and B have vapour pressures 3.4 × 104 Mn-2 and 5.2 × 104 Nm-2. If the mole fraction of A is 0.85, find the vapour pressure of the solution.
